Examine Argind.
If Argind = True, GET previous level’s Argind
and Window position from the Stack.
GET the indirect argument off the Stack.
Repeat until Argind = False.
Examine Forsw.
If Forsw > 0, GET that FOR information off the Stack.
Forsw - 1 Forsw.
Repeat until Forsw = 0.
Load routine named in A if necessary.
Then position window to the
first character of the entry reference named in A.